In recent days, researches by students of the Yale University bore unbelievable results. First, the team prepared a list of Eigenfaces (simplified images of human faces covering a wide variety of facial features) from a several experimental images of human faces. Eigenfaces are often used ion computers to repair problems of facial recognition. They then presented these Eigenfaces to 30 volunteers.
As the volunteers gazed carefully at the pictures, functional MRI (fMRI) scanners were used to read their neural reactions, hate, anger, trust, adoration, etc. After this, the volunteers were shown the original experimental faces, and their reactions were once again noted by fMRI scans.
When the computer was fed the data from the scans, it could identify an Eigenface that matched best with the experimental face the volunteer was currently looking at. Thus, by simply noting the reactions of the person's brain and comparing it with his reactions on seeing a similar face, the computer was able to tell which face the person was looking at.
This is mind reading. Using this technique, one can determine, to a basic level, what is going on in a person's conscious mind. While this sounds like a gigantic leap, science is still a far way to go before it can finally read a person's mind completely, including the subsconscious areas of the mind.
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